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Page last updated
Thu 17 July 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

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Publication Conrad (1837): summary
     publication summary

Complete Citation

Conrad, T.A. 1837. Monography of the Family Unionidae, or naiades of Lamarck, (fresh water bivalve shells) or North America, illustrated by figures drawn on stone from nature 1(9): 73-80, pls. 41-45. Available electronically.

Attributed Nominal Species

Unio flavus Conrad, 1837
‘Rafinesque’ Conrad, 1837. Monogr. Fam. Unionidae 1(9): 74, pl. 41, fig. 2.
(reference to Obliquaria (Quadrula) flava Rafinesque, 1820)

Unio nodulatus Say, 1834
‘Rafinesque’ of Authors.
Say, 1834. Amer. Conch. 6: ??.
Conrad, 1837. Monogr. Fam. Unionidae 1(9): 80, pl. 45, fig. 1.
Reeve, 1864. Conch. Icon. 16: pl. 13, sp. 51.
(reference to Obliquaria (Quadrula) nodulata Rafinesque, 1820)

Unio obliqua Ferussac, 1835
‘Lamarck’ of Authors.
Ferussac, 1835. Mag. Zool. 5: 28.
Conrad, 1837. Monogr. Fam. Unionidae 1(9): 77, pl. 43, fig. 2.
(misidentified reference to Unio obliqua Lamarck, 1819)

Unio prasinus Conrad, 1834
Conrad, 1834. New Fresh-Water Shells: 44, pl. 3, fig.1.
Conrad, 1837. Monogr. Fam. Unionidae 1(9): 79, pl. 44, fig. 2.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 255.

Unio subplanus Conrad, 1837
Conrad, 1837. Monogr. Fam. Unionidae 1(9): 73, pl. 41, fig. 1.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 258.

Taxonomic Opinions

Unio apiculatus Say, 1829 = Quadrula quadrula
+ Unio asper Lea, 1831

Unio capax Green, 1832 = Potamilus capax
+ Symphynota globosa Lea, 1834

Unio flava (Rafinesque, 1820) = Fusconaia flava
+ Unio rubiginosus Lea, 1829

Unio nodulatus (Rafinesque, 1820) = Pustulosa nodulata
+ Unio pustulatus Lea, 1831

Unio obliquus Lamarck, 1819 = Reginaia ebenus
+ Unio ebenus Lea, 1831
+ Unio obliqua Ferussac, 1835

Unio obliquus Lamarck, 1819 = Pleurobema cordatum

Unio prasinus Conrad, 1834 = Pustulosa pustulosa
+ Unio schoolcraftensis Lea, 1834

Unio rudis Conrad, 1837 = Pleurobema oviforme
+ Unio ravenelianus Lea, 1834

Unio subplanus Conrad, 1837 = Fusconaia masoni

 
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